2 /* This file is part of
3 * ======================================================
5 * LyX, The Document Processor
7 * Copyright 1995 Matthias Ettrich
8 * Copyright 1995-2000 The LyX Team.
10 * ====================================================== */
18 typedef unsigned short int Uchar;
30 Encoding(string const & l, Uchar const * e)
31 : LatexName_(l) , encoding_table(e) {}
33 string const & LatexName() const {
37 Uchar ucs(unsigned char c) const {
38 return encoding_table[c];
42 bool IsComposeChar_hebrew(unsigned char c);
45 bool IsComposeChar_arabic(unsigned char c);
48 bool is_arabic(unsigned char c);
51 unsigned char TransformChar(unsigned char c, Letter_Form form);
56 Uchar const * encoding_table;
60 extern Encoding iso8859_1;
61 extern Encoding iso8859_2;
62 extern Encoding iso8859_4;
63 extern Encoding iso8859_6;
64 extern Encoding iso8859_7;
65 extern Encoding cp1255;
70 bool Encoding::IsComposeChar_hebrew(unsigned char c)
72 return c <= 0xd2 && c >= 0xc0 &&
73 c != 0xce && c != 0xd0;
78 bool Encoding::IsComposeChar_arabic(unsigned char c)
80 return c >= 0xeb && c <= 0xf2;
84 extern unsigned char arabic_table[][2];
85 extern unsigned char arabic_table2[][4];
86 unsigned char const arabic_start = 0xc1;
90 bool Encoding::is_arabic(unsigned char c)
92 return c >= arabic_start && arabic_table[c-arabic_start][0];
97 unsigned char Encoding::TransformChar(unsigned char c, Encoding::Letter_Form form)
102 if (lyxrc.font_norm == "iso10646-1")
103 return arabic_table2[c-arabic_start][form];
105 return arabic_table[c-arabic_start][form >> 1];